Oh come on, how can you replace Lenalee this late? She's the HEROINE. She's played a very big role so far. If you kill her, you probably kill Allen too, and then you just have a bunch of supporting characters with no leads. Sure, you can introduce another female Exorcist, but she's not going to have the same kind of impact on the plot (or on certain characters) that Lenalee did. Anyway, you'd have to make her a new Exorcist, and that would just suck. I'm sick of all these new Exorcists anyway.

...I'm also angry that everyone wants Lenalee to die just because she's going through a weak phase. No one's looking ahead. -__-;; There's no way that Hoshino is going to let her stay so pathetic for much longer; the only reason it's prolonged is because this is a long, shitty arc. Did everyone hate Allen this much when HE was weak?

There have been manga, anime, and games that have had important characters (from mere important characters, to male and female leads) killed, and they have been perfectly fine. And not just fine, the death of that character made a great addition to the plot. Those kind of situations are amongst the best plot twists a story can get, especially when it is well written.

And no, I do not want her dead because she's weak right now, but for the fact that she's that important. You have to admit it; her death would certainly make a big impact.

Yes linalee's death would deal one hell of an impact, but who would pick up the shards after? Like Eon said, it'll be hard to replace someone who's already a "regular". Also if you kill her off now, the whole Allenxlinalee fandom would just crumble.

I don't mind killing off an important character, but I almost think that Lenalee is TOO important to kill off. I just can't see that working in the plot at all - at least, not if she died permanently. I have yet to read a manga that killed a character that important and didn't end (except maybe Death Note, but that was an antagonist and the plot went downhill from there anyway). That's why I'd support the permanent death of someone like Lavi, because the story still could go on without him.

Yes, Allen's weak, but he's not as weak as he was before. He has the possibility of two arms now and doesn't need to wander around shirtless.

I don't mind killing off an important character, but I almost think that Lenalee is TOO important to kill off.

Nah, she is neither protagonist nor anthagonist, so her death won't ruin plot development (it will just destroy romance which is not important at all). On the contrary, just as Dante said, it will most likely trigger some huge development.